Improvement in manufacturing bomb-shells



UNITED STATES PATENT OFFICE.

ABIEL PEVEY, OF LOWELL, MASSACHUSETTS.

IMPROVEMENT IN MANUFACTURING BOMB-SHELLS.

Specification forming part of Letters Patent N0. 39,354, dated July 23,1863.

Y To @ZZ whom it may concern:

Beit known that I, AEIEL PEVEY, of Lowell, county of Middlesex, andState of Massachusetts, have invented new and useful Improvenlents inthe Mode and Manner of Manufacturing Bomb-Shells; and I do hereby de-Clare that the following is a full and exact description thereof,reference being had to the accompanying drawings, and to the letters ofreference marked thereon, making a part of this specification.

The nature of` my invention consists in the arrangement and constructionof the reamer, ball-pattern, core-arbor, and core-box, having journalsand corresponding shoulders, in cornbination With a flask constructedwith journalboxes, as hereinafter set forth.

To enable others skilled in the art to make and use my invention, I willproceed to describe its construction and operation.

Figure l represents atop view of my revolving flask; Fig. 2, a side Viewshowingthe journal-boxes C and gate a,- Fig. 3, asectional view showingthe journal-boxes C, the gate a, and core-arbor H, Fig. 4, anothersectional view of the flask, showing'the journalboxes O and gate a, AFig. 5 represents a reamer; Fig. (i, the ball-pattern; Fig. 7, thecore-box.

A represents the revolving flask with its gate a, that conducts the ironinto the center and hollow of the flask, having journal-boxes C at eachside of the hollow on a line with the center. The ask rests and revolvesupon an upright frame, L. The sand or loam is putin in the ordinary7way, and the reamer B is then used to give nearly the size of theintended mold. The reanier-shaft has two wings, B B, made of plates ofsheet-iron or other material, semicircular in shape, set on each side ofthe shaft, andboth are adjustable by slats and setscrews b b, as seen atFig. 5, that one wing may project farther out than the other, so thatone wing scrapes and the other cleans or nearly finishes the mold. Itrests in the journalboxes G C of the mold, and is'retained in itsposition by the two shoulders K K. After the reamer is withdrawn, theball-pattern D,with

a shaft in the center corresponding With the reamer, as shown at Fig. 6,having also shoulders K and journals C similar to the shoulders K andjournals C of the reamer, and corresponding with the journal-boxes C ofthe ask. The ballpattern D is pressed (or hammered with a mallet) downto its seat, and then revolved in order to smooth and finish the mold bymeans of the crank d at the end. The core-box E is of the usual roundshape, having a neck reamed out the size of the journals C of theball-pattern and reamer, the distance from the end of the neck to thecenter of the core-box corresponding with the distance from the insideof the shoulder K ofthe shaft of the ball-pattern D to the center of theballpattern. 'lhe core-arborH, as seen at Fig. 3, has a shoulder, K,corresponding with the shoulder of the shaft of ball-pattern D-that isVto say, the distance from the shoulder Kto the center being preciselythe same-the journal C being likewise ofthe same diameter, fitting thejournal-box C of the flask. After the ball-pattern D is removed and thecorearbor H is inserted in the flask A, (before running in the metah) Iinsert a common plug or stopper, J, in the lower journalbox O of theliask A, as shown at Fig. 3, so as to prevent the metal from ruiming outof the flask; or, instead of a plug, J, I stop up the journalbox C withsand of the same kind as the rest ot' the mold, and dry it with the moldbefore pouring.

W'hat I claim as my invention, and desire to secure by Letters Patent,is-

Il. rlhe journal-boxes C of the :dask A, as herein described.

2. The reaxner, as herein described.

3. The ball-pattern D, as herein described.

4. The core-box, as herein described, all corresponding, so as to litthe journal-boxes C ot' the flask, for thepnrpose set forth.

ABIEL PEVEY.

